Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
EM31154
*** This motor hasbeen replaced by Model # EM31154 ***
M3154 1 1/2 Hp, 230/460 Vac, 3 Phase Input, 56 Frame, Open Drip Proof, 1800 Rpm, Foot Mounted, General Purpose Motor